Hung-over Rachel and Ross wonder if they got married while in Vegas; Monica and Chandler search the Strip for signs that they are altar-bound.

Ross seeks Phoebe's advice to help him sort out the legal status of his relationship with Rachel; Monica and Chandler plan to move in together.

Ross has Rachel on his mind when he gets between feuding Monica and Chandler; Joey advertises for a specific roommate.

A hernia-bearing Joey tries to pick up a quick acting gig; Rachel discovers that Ross never had their marriage annulled.

Rachel wants Ross to admit that he's mentally unbalanced so that a judge will grant them an annulment.

While Monica helps Rachel move out, the two women have a war of words; Chandler says a "financial" adios to Joey.

Rachel regrets asking Phoebe to jog with her when her uncoordinated movements attract unwanted attention.

After bleaching his teeth, Ross discovers they glow in the dark; Joey's new roommate wants to redecorate.

Chandler finds out Monica never told her parents he was living with her; Rachel tries her hand at making dessert.

Janine invites Joey, Monica and Ross to a TV taping; Phoebe and Rachel want an early glimpse at their Christmas gifts.

Janine's attitude causes strife between Joey and his friends; Rachel gets an apothecary table from a flea market.

Ross and Chandler argue over authorship of a joke; a question from Monica puts Phoebe on the spot; Joey reluctantly takes a job at Central Perk.

Rachel is worried about her sister's flirtation with Ross; sickly Monica is well enough to seduce Chandler; Joey uses free food to lure women to date him.

Rachel and her sister get into a heated sibling rivalry over Ross; Chandler confesses he hasn't cried since he was a child.

Brent purchases a new digital camera; trivia showdown; Oscar is haunted by a ceramic gnome.

Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

Hank and Oscar team up to build a shelter for the apocalypse and Davis, Karen and Wanda argue over who would be the best leader; Emma traps Brent and Lacey in the cellar so they can hash things out.

Hank and Brent restore a vintage car; Karen deals with a stray cat; Emma and Lacey paint over some graffiti.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent purchases a new digital camera; trivia showdown; Oscar is haunted by a ceramic gnome.

Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

Hank and Oscar team up to build a shelter for the apocalypse and Davis, Karen and Wanda argue over who would be the best leader; Emma traps Brent and Lacey in the cellar so they can hash things out.

Hank and Brent restore a vintage car; Karen deals with a stray cat; Emma and Lacey paint over some graffiti.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent purchases a new digital camera; trivia showdown; Oscar is haunted by a ceramic gnome.

Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

Hank and Oscar team up to build a shelter for the apocalypse and Davis, Karen and Wanda argue over who would be the best leader; Emma traps Brent and Lacey in the cellar so they can hash things out.

Hank and Brent restore a vintage car; Karen deals with a stray cat; Emma and Lacey paint over some graffiti.

Darlene starts to feel the pressures of her new job; Dan attempts to help Ben out at the hardware store, but the two don't always agree on how to run the business.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

Sheldon asks his friends to challenge him in hope of achieving a scientific breakthrough; Wolowitz invents a game about Raj.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

Darlene starts to feel the pressures of her new job; Dan attempts to help Ben out at the hardware store, but the two don't always agree on how to run the business.

Mark is convinced he has COVID-19; Becky and Harris team up to confront Josh, who has been "ghosting" Harris; when Jackie visits Roseanne's grave, she finds an appalling headstone right next to it and sets out to make it right.

Sheldon gets a summer job at the local train museum; Missy embarks on a new stage of womanhood; Georgie discovers Mary's guilty pleasure.

With college in sight, Sheldon is determined to ride his bike without training wheels; Mary and George Sr. argue over parenting styles.

Sheldon finds himself in a fierce competition with Paige when their mothers force them to attend Vacation Bible School; George is furious after Georgie makes a questionable purchase.

Dale and Meemaw work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy; Mary and George take a trip with coach Wilkins and his wife; Georgie's girlfriend thinks she's pregnant.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

Sheldon asks his friends to challenge him in hope of achieving a scientific breakthrough; Wolowitz invents a game about Raj.

Sheldon feels pressured to participate in romantic traditions when the gang re-creates a high-school prom on the roof.

A seemingly simple question about his turban sends Jasmeet spiraling into an existential crisis.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

Mark is convinced he has COVID-19; Becky and Harris team up to confront Josh, who has been "ghosting" Harris; when Jackie visits Roseanne's grave, she finds an appalling headstone right next to it and sets out to make it right.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

Sheldon asks his friends to challenge him in hope of achieving a scientific breakthrough; Wolowitz invents a game about Raj.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

A seemingly simple question about his turban sends Jasmeet spiraling into an existential crisis.

Sheldon gets a summer job at the local train museum; Missy embarks on a new stage of womanhood; Georgie discovers Mary's guilty pleasure.

With college in sight, Sheldon is determined to ride his bike without training wheels; Mary and George Sr. argue over parenting styles.

Sheldon finds himself in a fierce competition with Paige when their mothers force them to attend Vacation Bible School; George is furious after Georgie makes a questionable purchase.

Dale and Meemaw work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy; Mary and George take a trip with coach Wilkins and his wife; Georgie's girlfriend thinks she's pregnant.

Sheldon feels pressured to participate in romantic traditions when the gang re-creates a high-school prom on the roof.

A seemingly simple question about his turban sends Jasmeet spiraling into an existential crisis.

Darlene starts to feel the pressures of her new job; Dan attempts to help Ben out at the hardware store, but the two don't always agree on how to run the business.

Mark is convinced he has COVID-19; Becky and Harris team up to confront Josh, who has been "ghosting" Harris; when Jackie visits Roseanne's grave, she finds an appalling headstone right next to it and sets out to make it right.

Brent fears he is losing his hair; Wanda gets a new lamp and has to fight to keep it.

Lacey starts a coffee shop newsletter; Oscar's childhood dream.

Hank accidentally punches Brent and it is agreed that Brent can punch him back.

Lacey tries to get a photo of a blue moon sunrise with Brent, but it turns awkward; Hank is suspicious about Oscar being nice to Emma; Davis and Wanda argue about a new book.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Brent fears he is losing his hair; Wanda gets a new lamp and has to fight to keep it.

Lacey starts a coffee shop newsletter; Oscar's childhood dream.

Hank accidentally punches Brent and it is agreed that Brent can punch him back.

Lacey tries to get a photo of a blue moon sunrise with Brent, but it turns awkward; Hank is suspicious about Oscar being nice to Emma; Davis and Wanda argue about a new book.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Brent fears he is losing his hair; Wanda gets a new lamp and has to fight to keep it.

Lacey starts a coffee shop newsletter; Oscar's childhood dream.

Hank accidentally punches Brent and it is agreed that Brent can punch him back.

Lacey tries to get a photo of a blue moon sunrise with Brent, but it turns awkward; Hank is suspicious about Oscar being nice to Emma; Davis and Wanda argue about a new book.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

Sheldon gets a summer job at the local train museum; Missy embarks on a new stage of womanhood; Georgie discovers Mary's guilty pleasure.

With college in sight, Sheldon is determined to ride his bike without training wheels; Mary and George Sr. argue over parenting styles.

Sheldon finds himself in a fierce competition with Paige when their mothers force them to attend Vacation Bible School; George is furious after Georgie makes a questionable purchase.

Dale and Meemaw work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy; Mary and George take a trip with coach Wilkins and his wife; Georgie's girlfriend thinks she's pregnant.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Mandy has to help Meemaw collect money from her dad when he loses some bets; Georgie tries to intervene between his grandmother and his father-in-law.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Leonard has minor surgery on his nose, causing Sheldon to overreact; Bernadette and Howard work on their marriage.

Sheldon says goodbye to Fun With Flags; Howard, Leonard and Raj look through their dead professor's research; Bernadette learns her co-workers' true feelings.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

Leonard has minor surgery on his nose, causing Sheldon to overreact; Bernadette and Howard work on their marriage.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Mandy has to help Meemaw collect money from her dad when he loses some bets; Georgie tries to intervene between his grandmother and his father-in-law.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

Leonard has minor surgery on his nose, causing Sheldon to overreact; Bernadette and Howard work on their marriage.

Sheldon says goodbye to Fun With Flags; Howard, Leonard and Raj look through their dead professor's research; Bernadette learns her co-workers' true feelings.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

Lacey's friend Connie comes to Dog River; Davis thinks Karen would make a bad undercover cop.

It's Dog River's 100th birthday and Hank wants to pay tribute by building a scale model of the town using Lego blocks; like any artist, he demands perfection.

Lacey is frustrated with the new party planning methods; Wanda convinces Brent and Hank to take high school tests to see who is smarter.

The women can't get rid of Hank from a girls-only event; Brent stocks a new drink and Wanda is attracted to its cardboard promotion.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Lacey's friend Connie comes to Dog River; Davis thinks Karen would make a bad undercover cop.

It's Dog River's 100th birthday and Hank wants to pay tribute by building a scale model of the town using Lego blocks; like any artist, he demands perfection.

Lacey is frustrated with the new party planning methods; Wanda convinces Brent and Hank to take high school tests to see who is smarter.

The women can't get rid of Hank from a girls-only event; Brent stocks a new drink and Wanda is attracted to its cardboard promotion.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Lacey's friend Connie comes to Dog River; Davis thinks Karen would make a bad undercover cop.

It's Dog River's 100th birthday and Hank wants to pay tribute by building a scale model of the town using Lego blocks; like any artist, he demands perfection.

Lacey is frustrated with the new party planning methods; Wanda convinces Brent and Hank to take high school tests to see who is smarter.

The women can't get rid of Hank from a girls-only event; Brent stocks a new drink and Wanda is attracted to its cardboard promotion.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Mandy has to help Meemaw collect money from her dad when he loses some bets; Georgie tries to intervene between his grandmother and his father-in-law.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

Monica and Phoebe compete to find Rachel a date; Joey tries to con his friends into buying him a new refrigerator.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.

Ross recruits some friends to go with him on his first meeting with Elizabeth's father (Bruce Willis); Phoebe makes Chandler and Monica paranoid by chronicling their every move.

Elizabeth's father (Bruce Willis) threatens to get Ross fired if he does not stop dating his daughter.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

Sheldon asks his friends to challenge him in hope of achieving a scientific breakthrough; Wolowitz invents a game about Raj.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

Monica and Phoebe compete to find Rachel a date; Joey tries to con his friends into buying him a new refrigerator.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.

Ross recruits some friends to go with him on his first meeting with Elizabeth's father (Bruce Willis); Phoebe makes Chandler and Monica paranoid by chronicling their every move.

Elizabeth's father (Bruce Willis) threatens to get Ross fired if he does not stop dating his daughter.

When the guys agree to do something the girls like, Sheldon and Leonard end up having a confrontation.

Sheldon asks his friends to challenge him in hope of achieving a scientific breakthrough; Wolowitz invents a game about Raj.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

Davis shapes up; Brent and Lacey compete to get a secret from Karen.

Brent enters into a long-term relationship; Wanda's telescope.

At the Summer Solstice Deck Party, the locals compete for a seat in the sun, Brent sells popsicles and Karen and Davis must share a gun.

Lacey and Brent help Hank build a zip-line downtown; Davis and Karen crack down on the free corner; Oscar and Emma win a free robot vacuum.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Davis shapes up; Brent and Lacey compete to get a secret from Karen.

Brent enters into a long-term relationship; Wanda's telescope.

At the Summer Solstice Deck Party, the locals compete for a seat in the sun, Brent sells popsicles and Karen and Davis must share a gun.

Lacey and Brent help Hank build a zip-line downtown; Davis and Karen crack down on the free corner; Oscar and Emma win a free robot vacuum.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Davis shapes up; Brent and Lacey compete to get a secret from Karen.

Brent enters into a long-term relationship; Wanda's telescope.

At the Summer Solstice Deck Party, the locals compete for a seat in the sun, Brent sells popsicles and Karen and Davis must share a gun.

Lacey and Brent help Hank build a zip-line downtown; Davis and Karen crack down on the free corner; Oscar and Emma win a free robot vacuum.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Monica and Phoebe compete to find Rachel a date; Joey tries to con his friends into buying him a new refrigerator.

Chandler jeopardizes Joey's chances for the lead role in a TV series when he forgets to take down a message.

Ross recruits some friends to go with him on his first meeting with Elizabeth's father (Bruce Willis); Phoebe makes Chandler and Monica paranoid by chronicling their every move.

Elizabeth's father (Bruce Willis) threatens to get Ross fired if he does not stop dating his daughter.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores - with a little help from his friends.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

When the gang teases Robin about not being a real New Yorker, she sets out to prove them wrong by racing to catch a glimpse of Woody Allen.

Ted becomes conflicted after meeting an attractive woman who is passionate about saving the landmark building being torn down for his new project.

Marshall and Lily try to figure out how to conceive a baby with the gender of their choice; Robin's perky new co-anchor irritates her.

When Zoey enrolls in Ted's class, she tries to convince his students to help save the building from being torn down for his project; Marshall and Lily notice Robin marching in the Halloween parade of shame.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores - with a little help from his friends.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores - with a little help from his friends.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

When the gang teases Robin about not being a real New Yorker, she sets out to prove them wrong by racing to catch a glimpse of Woody Allen.

Ted becomes conflicted after meeting an attractive woman who is passionate about saving the landmark building being torn down for his new project.

Marshall and Lily try to figure out how to conceive a baby with the gender of their choice; Robin's perky new co-anchor irritates her.

When Zoey enrolls in Ted's class, she tries to convince his students to help save the building from being torn down for his project; Marshall and Lily notice Robin marching in the Halloween parade of shame.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

A simple jar of jellybeans turns Dog River's park from a dilapidated local hazard into full-blown scandal.

Brent helps Lacey buy a new car; Karen and Davis try to break the idea of cops in donut shops.

Karen is upset when Emma cuts Brent's hair; Hank promises to stain Lacey's deck.

When a morning radio DJ impersonates Brent on his show, he goes out of his way to prove it's not him; Lacey is upset with her delivery service.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Taxi passengers win money by answering trivia questions.

A simple jar of jellybeans turns Dog River's park from a dilapidated local hazard into full-blown scandal.

Brent helps Lacey buy a new car; Karen and Davis try to break the idea of cops in donut shops.

Karen is upset when Emma cuts Brent's hair; Hank promises to stain Lacey's deck.

When a morning radio DJ impersonates Brent on his show, he goes out of his way to prove it's not him; Lacey is upset with her delivery service.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Taxi passengers win money by answering trivia questions.

A simple jar of jellybeans turns Dog River's park from a dilapidated local hazard into full-blown scandal.

Brent helps Lacey buy a new car; Karen and Davis try to break the idea of cops in donut shops.

Karen is upset when Emma cuts Brent's hair; Hank promises to stain Lacey's deck.

When a morning radio DJ impersonates Brent on his show, he goes out of his way to prove it's not him; Lacey is upset with her delivery service.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

When the gang teases Robin about not being a real New Yorker, she sets out to prove them wrong by racing to catch a glimpse of Woody Allen.

Ted becomes conflicted after meeting an attractive woman who is passionate about saving the landmark building being torn down for his new project.

Marshall and Lily try to figure out how to conceive a baby with the gender of their choice; Robin's perky new co-anchor irritates her.

When Zoey enrolls in Ted's class, she tries to convince his students to help save the building from being torn down for his project; Marshall and Lily notice Robin marching in the Halloween parade of shame.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

The gang attends a black-tie fundraiser at the Natural History Museum; Ted meets Zoey's husband, the captain.

When Barney finds a copy of the kids' show featuring Robin's alter ego, the friends learn more about her past as a performer than they expected.

The gang, minus Ted, parties all night with The Blitz (Jorge Garcia), an old friend from college; Ted is forced to spend Thanksgiving with Zoey.

Ted asks Zoey's husband (Kyle MacLachlan) to hang out; Robin and Marshall decide to spend some time together.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

Conan races down the autobahn, tries to master "schuhplattler" and visits a dominatrix while in historic Berlin, Germany.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

The gang attends a black-tie fundraiser at the Natural History Museum; Ted meets Zoey's husband, the captain.

When Barney finds a copy of the kids' show featuring Robin's alter ego, the friends learn more about her past as a performer than they expected.

The gang, minus Ted, parties all night with The Blitz (Jorge Garcia), an old friend from college; Ted is forced to spend Thanksgiving with Zoey.

Ted asks Zoey's husband (Kyle MacLachlan) to hang out; Robin and Marshall decide to spend some time together.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

Oscar and Emma argue over the room temperature; Karen makes Lacey regret disobeying a local yield sign.

Brent and Lacey mentor high school students; Emma decides to be nicer to Oscar.

Brent helps Hank tear down a barn; Emma receives multiple manicures; David hires Wanda to snap pictures of him working.

Davis is locked in a jail cell to raise money for charity; Wanda tries to install a toilet.

Karen prepares an eyewitness testimony; Hank tries becoming a rodeo clown.

Brent talks Hank into starting a blog; Lacey's friend gets her own cooking show; Wanda helps Davis with his taxes.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

Brent realizes that Corner Gas may not actually be within the town of Dog River.

Emma gives Davis and Wanda piano lessons; Lacey deals with a broken arm.

Brent discovers a newfound love of his childhood toys when Emma gives them to Hank.

Brent is in the doghouse when Hank proves to be a better son to Emma.

Lacey thinks Davis and Karen are more than work partners; Hank and Oscar are two no-nonsense census takers out to count the names and tally the numbers.

Davis buys a table hockey game for the station and finds that Karen is good at it.

Chandler asks Phoebe to help him choose a special ring; Rachel urges Paul (Bruce Willis) to express his feelings.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica feels that Rachel is trying to steal the spotlight from her engagement; Chandler worries about his performance in the bedroom.

Monica learns what her parents have done with her wedding fund; Joey teases Rachel about her late-night reading material.

Chandler's efforts to bond with Monica's father (Elliott Gould) backfire during a racquetball game; Rachel tries to teach Joey how to sail; Monica tries to replicate Phoebe's grandmother's cookie recipe.

Rachel considers hiring an inexperienced but handsome man over a better qualified woman as her executive assistant.

Rachel makes her handsome new assistant (Eddie Cahill) hang out with Joey rather than the women in her office.

Monica makes Chandler apologize to an old girlfriend (Stacy Galina) for leaving her because she was fat; Monica struggles to select a maid of honor.

Ross' doctoral dissertation is stored in a remote corner of the university library frequently used by students having sex; Rachel and Phoebe bond with Joey's date (Kristin Davis), then try to convince him to continue seeing her.

Joey may have ruined Rachel's chances with Tag (Eddie Cahill) when he opens his mouth during Thanksgiving dinner.

Rachel finds it embarrassing that she is paying the way for her hunky new boyfriend (Eddie Cahill), who is also her assistant at work.

Ross' attempts to introduce his son, Ben, to Hanukkah are thwarted by the tyke's like of all things Christmas.

Phoebe and Joey are at odds when she tries to cancel their weekly dinner plans so she can meet an old beau.

Chandler asks Phoebe to help him choose a special ring; Rachel urges Paul (Bruce Willis) to express his feelings.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica feels that Rachel is trying to steal the spotlight from her engagement; Chandler worries about his performance in the bedroom.

Monica learns what her parents have done with her wedding fund; Joey teases Rachel about her late-night reading material.

Chandler's efforts to bond with Monica's father (Elliott Gould) backfire during a racquetball game; Rachel tries to teach Joey how to sail; Monica tries to replicate Phoebe's grandmother's cookie recipe.

Rachel considers hiring an inexperienced but handsome man over a better qualified woman as her executive assistant.

Rachel makes her handsome new assistant (Eddie Cahill) hang out with Joey rather than the women in her office.

Monica makes Chandler apologize to an old girlfriend (Stacy Galina) for leaving her because she was fat; Monica struggles to select a maid of honor.

Ross' doctoral dissertation is stored in a remote corner of the university library frequently used by students having sex; Rachel and Phoebe bond with Joey's date (Kristin Davis), then try to convince him to continue seeing her.

Joey may have ruined Rachel's chances with Tag (Eddie Cahill) when he opens his mouth during Thanksgiving dinner.

Rachel finds it embarrassing that she is paying the way for her hunky new boyfriend (Eddie Cahill), who is also her assistant at work.

Ross' attempts to introduce his son, Ben, to Hanukkah are thwarted by the tyke's like of all things Christmas.

Phoebe and Joey are at odds when she tries to cancel their weekly dinner plans so she can meet an old beau.

Chandler asks Phoebe to help him choose a special ring; Rachel urges Paul (Bruce Willis) to express his feelings.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica and Chandler encounter Richard (Tom Selleck), Monica's former boyfriend, in a romantic restaurant.

Monica feels that Rachel is trying to steal the spotlight from her engagement; Chandler worries about his performance in the bedroom.

Monica learns what her parents have done with her wedding fund; Joey teases Rachel about her late-night reading material.

Chandler's efforts to bond with Monica's father (Elliott Gould) backfire during a racquetball game; Rachel tries to teach Joey how to sail; Monica tries to replicate Phoebe's grandmother's cookie recipe.

Rachel considers hiring an inexperienced but handsome man over a better qualified woman as her executive assistant.

Rachel makes her handsome new assistant (Eddie Cahill) hang out with Joey rather than the women in her office.

Monica makes Chandler apologize to an old girlfriend (Stacy Galina) for leaving her because she was fat; Monica struggles to select a maid of honor.

Ross' doctoral dissertation is stored in a remote corner of the university library frequently used by students having sex; Rachel and Phoebe bond with Joey's date (Kristin Davis), then try to convince him to continue seeing her.

Joey may have ruined Rachel's chances with Tag (Eddie Cahill) when he opens his mouth during Thanksgiving dinner.

Rachel finds it embarrassing that she is paying the way for her hunky new boyfriend (Eddie Cahill), who is also her assistant at work.

Ross' attempts to introduce his son, Ben, to Hanukkah are thwarted by the tyke's like of all things Christmas.

Phoebe and Joey are at odds when she tries to cancel their weekly dinner plans so she can meet an old beau.

Lacey and Karen institute an open borrowing policy; Brent watches a horror movie for the first time.

Wanda accidentally breaks Emma's potato bowl; Hank tries to develop his storytelling skills.

Wanda helps Brent investigate his nightmares about being attacked by Michael J. Fox.

Brent uses a drone to harass Oscar; Wanda and Emma attempt to measure the intelligence of turkeys.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Lacey and Karen institute an open borrowing policy; Brent watches a horror movie for the first time.

Wanda accidentally breaks Emma's potato bowl; Hank tries to develop his storytelling skills.

Wanda helps Brent investigate his nightmares about being attacked by Michael J. Fox.

Brent uses a drone to harass Oscar; Wanda and Emma attempt to measure the intelligence of turkeys.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Lacey and Karen institute an open borrowing policy; Brent watches a horror movie for the first time.

Wanda accidentally breaks Emma's potato bowl; Hank tries to develop his storytelling skills.

Wanda helps Brent investigate his nightmares about being attacked by Michael J. Fox.

Brent uses a drone to harass Oscar; Wanda and Emma attempt to measure the intelligence of turkeys.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

Prank masters create gags; pranks involve a flirty old man, a nasty fart box, a mousetrap on a shelf and many more.

Pranks involve a police officer being thrown into the water, a stuffed animal thief, a shrinking pizza and many more.

Pranks involve a reanimated mannequin, an allergic fortune-teller, a bad little dog and many more pranks.

Pranks involve funny police puppets, a pigeon poop sandwich, an explosive potato and many more pranks.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

Part of Becky's recovery program mandates she make amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

College orientation does not go as Sheldon planned; Mary is invited to a party when she's mistaken for a university student; George Sr. helps Pastor Jeff set up a children's nursery.

Sheldon's first day of college is derailed by his new philosophy teacher, professor Ericson; Mary and Brenda live vicariously through Missy's first day of middle school.

Meemaw takes matters into her own hands when Sheldon's philosophy teacher sends him into a tailspin; George Sr. learns Georgie has been cutting class.

Sheldon and George Sr. dine with President Hagemeyer and a university benefactor; Georgie gives Missy some brotherly advice when Mary won't let her go to the school dance; Dale and June convince Meemaw to attend their son's wedding.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

On the coldest day of the year, Jasmeet wakes up with the warm feeling of his turban video going viral; he tries to go about his usual responsibilities.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Part of Becky's recovery program mandates she make amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

On the coldest day of the year, Jasmeet wakes up with the warm feeling of his turban video going viral; he tries to go about his usual responsibilities.

College orientation does not go as Sheldon planned; Mary is invited to a party when she's mistaken for a university student; George Sr. helps Pastor Jeff set up a children's nursery.

Sheldon's first day of college is derailed by his new philosophy teacher, professor Ericson; Mary and Brenda live vicariously through Missy's first day of middle school.

Meemaw takes matters into her own hands when Sheldon's philosophy teacher sends him into a tailspin; George Sr. learns Georgie has been cutting class.

Sheldon and George Sr. dine with President Hagemeyer and a university benefactor; Georgie gives Missy some brotherly advice when Mary won't let her go to the school dance; Dale and June convince Meemaw to attend their son's wedding.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

On the coldest day of the year, Jasmeet wakes up with the warm feeling of his turban video going viral; he tries to go about his usual responsibilities.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

Part of Becky's recovery program mandates she make amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

Brent decides to try laser eye surgery; police cruiser gets a new slogan.

Brent and Oscar take Davis on a camping trip; Hank finally wakes up with a good hair day.

Karen and Davis discover a mannequin dumped in the woods and try to solve the crime; at Corner Gas, Brent surprises Wanda with a scanner; in The Ruby, Lacey, Oscar, Hank, and Emma get drawn into an unusual bet about hand sanitizer.

Emma sees high art in Hank's hedge-trimming and sells his services around town; prompted by Oscar, Brent tries to collect on the IOUs piling up at Corner Gas, resorting to unorthodox means; Davis and Karen set up the cop shop in The Ruby.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Brent decides to try laser eye surgery; police cruiser gets a new slogan.

Brent and Oscar take Davis on a camping trip; Hank finally wakes up with a good hair day.

Karen and Davis discover a mannequin dumped in the woods and try to solve the crime; at Corner Gas, Brent surprises Wanda with a scanner; in The Ruby, Lacey, Oscar, Hank, and Emma get drawn into an unusual bet about hand sanitizer.

Emma sees high art in Hank's hedge-trimming and sells his services around town; prompted by Oscar, Brent tries to collect on the IOUs piling up at Corner Gas, resorting to unorthodox means; Davis and Karen set up the cop shop in The Ruby.

Taxi passengers win money by answering trivia questions.

Taxi passengers win money by answering trivia questions.

Brent decides to try laser eye surgery; police cruiser gets a new slogan.

Brent and Oscar take Davis on a camping trip; Hank finally wakes up with a good hair day.

Karen and Davis discover a mannequin dumped in the woods and try to solve the crime; at Corner Gas, Brent surprises Wanda with a scanner; in The Ruby, Lacey, Oscar, Hank, and Emma get drawn into an unusual bet about hand sanitizer.

Emma sees high art in Hank's hedge-trimming and sells his services around town; prompted by Oscar, Brent tries to collect on the IOUs piling up at Corner Gas, resorting to unorthodox means; Davis and Karen set up the cop shop in The Ruby.

A weather report forecasting that a tornado is headed for Lanford creates chaos and surprises on Dan and Louise's wedding day.

College orientation does not go as Sheldon planned; Mary is invited to a party when she's mistaken for a university student; George Sr. helps Pastor Jeff set up a children's nursery.

Sheldon's first day of college is derailed by his new philosophy teacher, professor Ericson; Mary and Brenda live vicariously through Missy's first day of middle school.

Meemaw takes matters into her own hands when Sheldon's philosophy teacher sends him into a tailspin; George Sr. learns Georgie has been cutting class.

Sheldon and George Sr. dine with President Hagemeyer and a university benefactor; Georgie gives Missy some brotherly advice when Mary won't let her go to the school dance; Dale and June convince Meemaw to attend their son's wedding.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

A weather report forecasting that a tornado is headed for Lanford creates chaos and surprises on Dan and Louise's wedding day.

The Conner home is decked out for Halloween, despite the leak in the roof that forces Dan and Louise to cancel their honeymoon; Becky surprises the newlyweds and takes them on a virtual adventure around the world.

During their first night together, Rachel and Tag realize they forgot to ship out an important package at the office.

On her first day as a telemarketer, Phoebe encounters a distraught man (Jason Alexander) who is determined to end his life.

Georgie tries to juggle his mom, his mother-in-law and Mandy on Mother's Day; Audrey wants to meet Connor's girlfriend.

Joey accidentally informs a cast member (Susan Sarandon) that she will be fired so that his character will get her character's brain.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

The Conner home is decked out for Halloween, despite the leak in the roof that forces Dan and Louise to cancel their honeymoon; Becky surprises the newlyweds and takes them on a virtual adventure around the world.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

During their first night together, Rachel and Tag realize they forgot to ship out an important package at the office.

On her first day as a telemarketer, Phoebe encounters a distraught man (Jason Alexander) who is determined to end his life.

Georgie tries to juggle his mom, his mother-in-law and Mandy on Mother's Day; Audrey wants to meet Connor's girlfriend.

Joey accidentally informs a cast member (Susan Sarandon) that she will be fired so that his character will get her character's brain.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

A weather report forecasting that a tornado is headed for Lanford creates chaos and surprises on Dan and Louise's wedding day.

The Conner home is decked out for Halloween, despite the leak in the roof that forces Dan and Louise to cancel their honeymoon; Becky surprises the newlyweds and takes them on a virtual adventure around the world.

Corner Gas goes through a business boom after Hank comes up with an idea to increase tourism.

A cable guy visits Dog River to help produce some local access programming but the town isn't quite ready for prime time; Brent is selected to choose which idea will be produced.

When Wullerton's weekly paper goes under, the gang worries the Dog River Howler will too; Wanda and Emma set out to recruit new advertisers, while Brent helps Oscar start an online version that raises eyebrows; Karen befriends a crow.

Ike's barn burns down and Lacey wants to help; Lacey organizes a bachelor auction to raise money, attracting a mystery woman who bids high for Brent; the more time the two spend together, the more curious the town gets about the woman's identity.

Unassuming people enter a taxi cab as passengers taking a normal ride, only to be shocked when they discover that they're instant contestants. The driver/host,Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as passengers taking a normal ride, only to be shocked when they discover that they're instant contestants. The driver/host,Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Corner Gas goes through a business boom after Hank comes up with an idea to increase tourism.

A cable guy visits Dog River to help produce some local access programming but the town isn't quite ready for prime time; Brent is selected to choose which idea will be produced.

When Wullerton's weekly paper goes under, the gang worries the Dog River Howler will too; Wanda and Emma set out to recruit new advertisers, while Brent helps Oscar start an online version that raises eyebrows; Karen befriends a crow.

Ike's barn burns down and Lacey wants to help; Lacey organizes a bachelor auction to raise money, attracting a mystery woman who bids high for Brent; the more time the two spend together, the more curious the town gets about the woman's identity.

Unassuming people enter a taxi cab as passengers taking a normal ride, only to be shocked when they discover that they're instant contestants. The driver/host,Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as passengers taking a normal ride, only to be shocked when they discover that they're instant contestants. The driver/host,Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Corner Gas goes through a business boom after Hank comes up with an idea to increase tourism.

A cable guy visits Dog River to help produce some local access programming but the town isn't quite ready for prime time; Brent is selected to choose which idea will be produced.

When Wullerton's weekly paper goes under, the gang worries the Dog River Howler will too; Wanda and Emma set out to recruit new advertisers, while Brent helps Oscar start an online version that raises eyebrows; Karen befriends a crow.

Ike's barn burns down and Lacey wants to help; Lacey organizes a bachelor auction to raise money, attracting a mystery woman who bids high for Brent; the more time the two spend together, the more curious the town gets about the woman's identity.

Darlene worries about Mark making friends at his new school; Mark turns to Ben for personal advice; Becky finds herself thriving in college and starts thinking about her future plans.

During their first night together, Rachel and Tag realize they forgot to ship out an important package at the office.

On her first day as a telemarketer, Phoebe encounters a distraught man (Jason Alexander) who is determined to end his life.

Georgie tries to juggle his mom, his mother-in-law and Mandy on Mother's Day; Audrey wants to meet Connor's girlfriend.

Joey accidentally informs a cast member (Susan Sarandon) that she will be fired so that his character will get her character's brain.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Darlene worries about Mark making friends at his new school; Mark turns to Ben for personal advice; Becky finds herself thriving in college and starts thinking about her future plans.

When Jackie devises an offbeat plan of how to serve the customers at the diner, it's anything but smooth service; Dan begins to sell some furniture to make room for his new bride and her things.

Monica and Chandler fondly reminisce about London until a startling revelation leaves Chandler floored.

Monica regrets telling a woman about a discount bridal shop when they end up competing for a wedding dress.